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authorDoug Rabson <dfr@freebsd.org>2000-05-30 17:13:31 +0000
committerDoug Rabson <dfr@freebsd.org>2000-05-30 17:13:31 +0000
commitfa0a35a25fd008617ef6c7444cb92b138dd01859 (patch)
treef804cbc46ff403ab014b6ff44487c131ed6f24b9 /bsd/drm/ioctl.c
parenta72f370f4d8a65db5c4ff28dc49b0a1d7acc146c (diff)
Merged bsd-1-0-0
Diffstat (limited to 'bsd/drm/ioctl.c')
-rw-r--r--bsd/drm/ioctl.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/bsd/drm/ioctl.c b/bsd/drm/ioctl.c
new file mode 100644
index 00000000..55bdeeda
--- /dev/null
+++ b/bsd/drm/ioctl.c
@@ -0,0 +1,120 @@
+/* ioctl.c -- IOCTL processing for DRM -*- c -*-
+ * Created: Fri Jan 8 09:01:26 1999 by faith@precisioninsight.com
+ * Revised: Fri Aug 20 09:27:02 1999 by faith@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/ioctl.c,v 1.3 1999/08/30 13:05:00 faith Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/ioctl.c,v 1.1 1999/09/25 14:38:01 dawes Exp $
+ *
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include <sys/bus.h>
+#include <pci/pcivar.h>
+
+int
+drm_irq_busid(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
+{
+ drm_irq_busid_t id;
+ devclass_t pci;
+ device_t bus, dev;
+ device_t *kids;
+ int error, i, num_kids;
+
+ id = *(drm_irq_busid_t *) data;
+ pci = devclass_find("pci");
+ if (!pci)
+ return ENOENT;
+ bus = devclass_get_device(pci, id.busnum);
+ if (!bus)
+ return ENOENT;
+ error = device_get_children(bus, &kids, &num_kids);
+ if (error)
+ return error;
+
+ dev = 0;
+ for (i = 0; i < num_kids; i++) {
+ dev = kids[i];
+ if (pci_get_slot(dev) == id.devnum
+ && pci_get_function(dev) == id.funcnum)
+ break;
+ }
+
+ free(kids, M_TEMP);
+
+ if (i != num_kids)
+ id.irq = pci_get_irq(dev);
+ else
+ id.irq = 0;
+
+ DRM_DEBUG("%d:%d:%d => IRQ %d\n",
+ id.busnum, id.devnum, id.funcnum, id.irq);
+ *(drm_irq_busid_t *) data = id;
+
+ return 0;
+}
+
+int
+drm_getunique(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
+{
+ drm_device_t *dev = kdev->si_drv1;
+ drm_unique_t u;
+ int error;
+
+ u = *(drm_unique_t *) data;
+ if (u.unique_len >= dev->unique_len) {
+ error = copyout(dev->unique, u.unique, dev->unique_len);
+ if (error)
+ return error;
+ }
+ u.unique_len = dev->unique_len;
+ *(drm_unique_t *) data = u;
+ return 0;
+}
+
+int
+drm_setunique(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
+{
+ drm_device_t *dev = kdev->si_drv1;
+ drm_unique_t u;
+ int error;
+
+ if (dev->unique_len || dev->unique) return EBUSY;
+
+ u = *(drm_unique_t *) data;
+
+ dev->unique_len = u.unique_len;
+ dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER);
+ error = copyin(u.unique, dev->unique, dev->unique_len);
+ if (error)
+ return error;
+ dev->unique[dev->unique_len] = '\0';
+
+ dev->devname = drm_alloc(strlen(dev->name) + strlen(dev->unique) + 2,
+ DRM_MEM_DRIVER);
+ sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
+
+ return 0;
+}